DE3133373A1 - Vorrichtung zur untersuchung von teilchen - Google Patents

Vorrichtung zur untersuchung von teilchen

Info

Publication number
DE3133373A1
DE3133373A1 DE19813133373 DE3133373A DE3133373A1 DE 3133373 A1 DE3133373 A1 DE 3133373A1 DE 19813133373 DE19813133373 DE 19813133373 DE 3133373 A DE3133373 A DE 3133373A DE 3133373 A1 DE3133373 A1 DE 3133373A1
Authority
DE
Germany
Prior art keywords
chamber
opening
flow
measuring
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19813133373
Other languages
German (de)
English (en)
Other versions
DE3133373C2 (enrdf_load_stackoverflow
Inventor
Walter R. 33143 Miami Fla. Hogg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Coulter Electronics Inc
Original Assignee
Coulter Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Coulter Electronics Inc filed Critical Coulter Electronics Inc
Publication of DE3133373A1 publication Critical patent/DE3133373A1/de
Application granted granted Critical
Publication of DE3133373C2 publication Critical patent/DE3133373C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/131—Details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DE19813133373 1980-08-26 1981-08-24 Vorrichtung zur untersuchung von teilchen Granted DE3133373A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/181,496 US4361803A (en) 1980-08-26 1980-08-26 Apparatus for recirculating sweep flow electrolyte without a pump

Publications (2)

Publication Number Publication Date
DE3133373A1 true DE3133373A1 (de) 1982-07-22
DE3133373C2 DE3133373C2 (enrdf_load_stackoverflow) 1990-10-11

Family

ID=22664513

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813133373 Granted DE3133373A1 (de) 1980-08-26 1981-08-24 Vorrichtung zur untersuchung von teilchen

Country Status (6)

Country Link
US (1) US4361803A (enrdf_load_stackoverflow)
JP (1) JPS5773654A (enrdf_load_stackoverflow)
CA (1) CA1166694A (enrdf_load_stackoverflow)
DE (1) DE3133373A1 (enrdf_load_stackoverflow)
FR (1) FR2489518A1 (enrdf_load_stackoverflow)
GB (1) GB2082779B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3361230A1 (de) 2017-02-13 2018-08-15 Erweka GmbH Durchflusszelle für ein dissolution testgerät

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608734A (ja) * 1983-06-28 1985-01-17 Eruma Kogaku Kk 超純水中の不純物の測定装置
US4710021A (en) * 1983-10-14 1987-12-01 Sequoia-Turner Corporation Particulate matter analyzing apparatus and method
JPS61159134A (ja) * 1984-12-29 1986-07-18 Toa Medical Electronics Co Ltd 粒子検出装置
JPS6429734A (en) * 1987-07-24 1989-01-31 Canon Kk Particle analyzer
US5895869A (en) * 1995-11-17 1999-04-20 Mwi, Inc. Method and apparatus for analyzing particulate matter
US6418802B1 (en) * 1996-11-21 2002-07-16 Michael Anthony Wood Particle sizing apparatus and method of use thereof
GB2477287B (en) * 2010-01-27 2012-02-15 Izon Science Ltd Control of particle flow in an aperture

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746976A (en) * 1971-04-07 1973-07-17 Coulter Electronics Self-cleaning aperture tube for coulter study apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902115A (en) * 1973-09-26 1975-08-26 Coulter Electronics Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor
DE2750447C2 (de) * 1977-11-11 1986-04-17 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Vorrichtung zur Messung bestimmter Eigenschaften in einer Partikelsuspension suspendierter Partikel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746976A (en) * 1971-04-07 1973-07-17 Coulter Electronics Self-cleaning aperture tube for coulter study apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3361230A1 (de) 2017-02-13 2018-08-15 Erweka GmbH Durchflusszelle für ein dissolution testgerät
DE102017102761A1 (de) 2017-02-13 2018-08-16 Erweka Gmbh Durchflusszelle für ein Dissolution Testgerät
US10940480B2 (en) 2017-02-13 2021-03-09 Erweka Gmbh Flow cell for a dissolution test device

Also Published As

Publication number Publication date
FR2489518B3 (enrdf_load_stackoverflow) 1983-05-27
DE3133373C2 (enrdf_load_stackoverflow) 1990-10-11
GB2082779B (en) 1985-02-27
US4361803A (en) 1982-11-30
JPS5773654A (en) 1982-05-08
GB2082779A (en) 1982-03-10
FR2489518A1 (fr) 1982-03-05
JPH0211857B2 (enrdf_load_stackoverflow) 1990-03-16
CA1166694A (en) 1984-05-01

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee